Ask Coach Jenny provides real-life training tips from Jenny Hadfield, an accomplished endurance athlete who practices what she preaches. Hadfield uses her column to answer questions and help others accomplish goals they never thought they could. She shares more tips and training plans on her website JennyHadfield.com.

About the AuthorJenny Hadfield is a certified personal trainer and coach with a Bachelor’s Degree in Education and Health Promotion and a Masters Degree in Exercise Science. She is the co-author of the popular Running for Mortals and Marathoning for Mortals book series. Follow her on Twitter.